Calculate Time Between Dates
<?php
if (strtotime($countdown_date) > strtotime(now)) {
$diff = abs(strtotime($countdown_date) - strtotime(now));
$years = floor($diff / (365*60*60*24));
$months = floor(($diff - $years * 365*60*60*24) / (30*60*60*24));
$days = floor(($diff - $years * 365*60*60*24 - $months*30*60*60*24)/ (60*60*24));
$hours = floor(($diff - $years * 365*60*60*24 - $months*30*60*60*24 - $days*60*60*24)/ (60*60));
} else {
$years = 0;
$months = 0;
$days = 0;
$hours = 0;
}
?>